ACC SHELL
| Path : /usr/lib/python/ |
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| Current File : //usr/lib/python/zipfile.pyo |
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Read and write ZIP files.
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Raised when writing a zipfile, the zipfile requires ZIP64 extensions
and those extensions are disabled.
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o n Xt S( s? Quickly see if file is a ZIP file by checking the magic number.t rb( t opent _EndRecDatat closet Truet IOErrort False( t filenamet fpint endrec( ( s /usr/lib/python2.6/zipfile.pyR s
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Read the ZIP64 end-of-archive records and use that to update endrec
i i i s3 zipfiles that span multiple disks are not supported( t seekt sizeEndCentDir64Locatort readt structt unpackt structEndArchive64Locatort stringEndArchive64LocatorR t sizeEndCentDir64t structEndArchive64t stringEndArchive64t _ECD_SIGNATUREt _ECD_DISK_NUMBERt _ECD_DISK_STARTt _ECD_ENTRIES_THIS_DISKt _ECD_ENTRIES_TOTALt _ECD_SIZEt _ECD_OFFSET( R t offsetR t datat sigt disknot relofft diskst szt create_versiont read_versiont disk_numt disk_dirt dircountt dircount2t dirsizet diroffset( ( s /usr/lib/python2.6/zipfile.pyt
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t i t | } | | t } | t t | j o7 | i | | i | | t | | | | | Sn d S( s Return data from the "End of Central Directory" record, or None.
The data is a list of the nine items in the ZIP "End of central dir"
record followed by a tenth item, the file seek offset of this record.i i i it t i i Ni ( R t tellt sizeEndCentDirR t NoneR t stringEndArchiveR R t structEndArchivet listt appendR6 t maxt rfindt _ECD_COMMENT_SIZEt len( R t filesizeR( R t maxCommentStartt startt recDatat comment( ( s /usr/lib/python2.6/zipfile.pyR s6 %
c B sG e Z d Z d Z d d d Z d Z d Z d Z d Z RS( s> Class with attributes describing each file in the ZIP archive.t
orig_filenameR t date_timet
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orig_filenames filenames date_times
compress_types comments extras
create_systems create_versions extract_versions reserveds flag_bitss volumes
internal_attrs
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_ZipDecrypterc B sD e Z d Z d Z e Z d Z d Z d Z d Z RS( s Class to handle decryption of files stored within a ZIP archive.
ZIP supports a password-based form of encryption. Even though known
plaintext attacks have been found against it, it is still useful
to be able to get data out of such a file.
Usage:
zd = _ZipDecrypter(mypwd)
plain_char = zd(cypher_char)
plain_text = map(zd, cypher_text)
c C s d } d g d } xj t d D]\ } | } xC t d D]5 } | d @o | d ?d @| A} q9 | d ?d @} q9 W| | | <q W| S( s Generate a CRC-32 table.
ZIP encryption uses the CRC32 one-byte primitive for scrambling some
internal keys. We noticed that a direct implementation is faster than
relying on binascii.crc32().
l q[ i i i i i( t range( t polyt tablet it crct j( ( s /usr/lib/python2.6/zipfile.pyt _GenerateCRCTable s
c C s% | d ?d @| i | t | Ad @AS( s( Compute the CRC32 primitive on one byte.i i i ( t crctablet ord( Rc t chR ( ( s /usr/lib/python2.6/zipfile.pyt _crc32 s c C s= d | _ d | _ d | _ x | D] } | i | q" Wd S( NixV4igE#ixV4( t key0t key1t key2t _UpdateKeys( Rc t pwdt p( ( s /usr/lib/python2.6/zipfile.pyRe s c C sx | i | | i | _ | i | i d @d @| _ | i d d d @| _ | i t | i d ?d @ | i | _ d S( Ni l ii i ( R R R R] R ( Rc t c( ( s /usr/lib/python2.6/zipfile.pyR s c C sP t | } | i d B} | | | d Ad ?d @A} t | } | i | | S( s Decrypt a single character.i i i i ( R R R] R ( Rc R t k( ( s /usr/lib/python2.6/zipfile.pyt __call__ s
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ZipExtFilec B sk e Z d Z d d Z d Z d Z d Z d Z d Z d d Z
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Z RS( sZ File-like object for reading an archive member.
Is returned by ZipFile.open().
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t i } n | d j o d S| i \ } } | d j o t | | } n | t | i 8} xt | d j of | d j oY | i t | d } | p Pn | i | 7_ | t | 8} | i \ } } qt W| d j o | i } d | _ | S| i | } | i | | | !| _ | i | | | _ | d S( sZ Read a line with approx. size. If size is negative,
read a whole line.
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( Ra t maxintR t minRC R R R ( Rc t sizeR R t buft s( ( s /usr/lib/python2.6/zipfile.pyR s0
c C s> g } x1 t o) | i } | p Pn | i | q W| S( st Return a list with all (following) lines. The sizehint parameter
is ignored in this implementation.
( R R R? ( Rc t sizehintt resultt line( ( s /usr/lib/python2.6/zipfile.pyt readlines) s c C s | d j o d S| i | i } | i d j o | d 8} n | d j o | d j o | i t j o& t | i } t | | | } q | i t j oI t | i | j o
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Z d d d d Z d Z d Z d d d Z d Z d Z d Z RS( sd Class with methods to open, read, write, close, list zip files.
z = ZipFile(file, mode="r", compression=ZIP_STORED, allowZip64=False)
file: Either the path to the file, or a file-like object.
If it is a path, the file will be opened and closed by ZipFile.
mode: The mode can be either read "r", write "w" or append "a".
compression: ZIP_STORED (no compression) or ZIP_DEFLATED (requires zlib).
allowZip64: if True ZipFile will create files with ZIP64 extensions when
needed, otherwise it will raise an exception when this would
be necessary.
R c C sH | d j o t d n | t j o n/ | t j o t p
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o | i i d d qDXn. | i p | i i d | _ n t d d S( s> Open the ZIP file with mode read "r", write "w" or append "a".R t wt as( ZipFile() requires mode "r", "w", or "a"s. Compression requires the (missing) zlib modules( That compression method is not supportedi t bR8 R t wbs r+bi R i s Mode must be "r", "w" or "a"N( R R R ( Ry R R R t _allowZip64R t
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o. | i p | i i d | _ n n Xd S( sO Read the directory, making sure we close the file if the format
is bad.N( R R R R R R; ( Rc ( ( s /usr/lib/python2.6/zipfile.pyR s
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d G| GHqqWd S( s/ Read in the table of contents for the ZIP file.s File is not a zip filei i s given, inferred, offseti i s& Bad magic number for central directoryi i i i i i i i i? t totalN(2 R R R R R% R& t _ECD_COMMENTRH t
_ECD_LOCATIONR R R R R R R t cStringIOt StringIOt sizeCentralDirt stringCentralDirR R t structCentralDirt _CD_FILENAME_LENGTHR t _CD_EXTRA_FIELD_LENGTHRL t _CD_COMMENT_LENGTHt _CD_LOCAL_HEADER_OFFSETRT R. RM RN RO RP RK RU RV RW RQ RR RS RX RJ R Rx R R R? R ( Rc R R t size_cdt offset_cdt concatt inferredR( R t centdirR t xt tt d( ( s /usr/lib/python2.6/zipfile.pyR s\
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"c C s. g } x! | i D] } | i | i q W| S( s+ Return a list of file names in the archive.( R R? R ( Rc t lR( ( ( s /usr/lib/python2.6/zipfile.pyt namelist s
c C s | i S( sJ Return a list of class ZipInfo instances for files in the
archive.( R ( Rc ( ( s /usr/lib/python2.6/zipfile.pyt infolist s c C sJ d d GHx: | i D]/ } d | i d } d | i | | i f GHq Wd S(
s+ Print a table of contents for the zip file.s %-46s %19s %12ss File Names Modified t Sizes %d-%02d-%02d %02d:%02d:%02di s
%-46s %s %12dN( s File Names Modified R ( R RJ R RW ( Rc t zinfot date( ( s /usr/lib/python2.6/zipfile.pyt printdir s
c C si d } x\ | i D]Q } y1 | i | i d } x | i | o q1 WWq t j
o | i SXq Wd S( s% Read all the files and check the CRC.i i R Ni ( R R
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chunk_sizeR t f( ( s /usr/lib/python2.6/zipfile.pyt testzip& s
c C s7 | i i | } | d j o t d | n | S( s, Return the instance of ZipInfo given 'name'.s( There is no item named %r in the archiveN( R t getR; t KeyError( Rc R t info( ( s /usr/lib/python2.6/zipfile.pyt getinfo3 s
c C s
| | _ d S( s) Set default password for encrypted files.N( R ( Rc R ( ( s /usr/lib/python2.6/zipfile.pyt setpassword< s c C s | i | d | i S( s) Return file bytes (as a string) for name.R ( R
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R Rs R R R RT R t sizeFileHeaderRk R R R Rj t _FH_FILENAME_LENGTHt _FH_EXTRA_FIELD_LENGTHRI RP R; R R R RX RU R R R R ( Rc R R R t zef_fileR t fheadert fnamet is_encryptedt zdR t ht
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c C sS t | t p | i | } n | d j o t i } n | i | | | S( s# Extract a member from the archive to the current working directory,
using its full name. Its file information is extracted as accurately
as possible. `member' may be a filename or a ZipInfo object. You can
specify a different directory using `path'.
N( Rs R R R; R^ t getcwdt _extract_member( Rc t membert pathR ( ( s /usr/lib/python2.6/zipfile.pyt extract s
c C sE | d j o | i } n x! | D] } | i | | | q$ Wd S( s Extract all members from the archive to the current working
directory. `path' specifies a different directory to extract to.
`members' is optional and must be a subset of the list returned
by namelist().
N( R; R R ( Rc R t membersR R ( ( s /usr/lib/python2.6/zipfile.pyt
extractall s
c C sy | d t i i t i i f j o1 t t i i | d d j o | d } n | i d d j o t i i | | i d } n t i i | | i } t i i | } t i i | } | o% t i i
| o t i | n | i d d j o) t i i | p t i
| n | S| i | d | } t | d } t i | | | i | i | S( sb Extract the ZipInfo object 'member' to a physical
file on the path targetpath.
ii i RZ R R ( R^ R R_ t altsepRC t
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| _ | | _ | i i } | i i/ | i d d | i i! t0 i1 d | i | i | i | i i/ | d | i i | | | i | i <d S( sL Put the bytes from filename into the archive under the name
arcname.s7 Attempt to write to ZIP archive that was already closedi i i RZ i l NR ii i l i s <LLLi (2 R Ry R^ t statt S_ISDIRt st_modet timet localtimet st_mtimeR; R R R R_ R R RS R RK t st_sizeRW RP R9 RT R R R RV RU R R? R R t writeRq R
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i i | qW| i n d S( NisE Usage:
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zipfile.py -c zipfile.zip src ... # Create zipfile from sources
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ACC SHELL 2018